EP1262296A3 - Filtration structure for the pad of a press for producing single-layer cement tiles with filtration surfaces and apparatus for replacing such filtration surfaces - Google Patents

Filtration structure for the pad of a press for producing single-layer cement tiles with filtration surfaces and apparatus for replacing such filtration surfaces Download PDF

Info

Publication number
EP1262296A3
EP1262296A3 EP02425351A EP02425351A EP1262296A3 EP 1262296 A3 EP1262296 A3 EP 1262296A3 EP 02425351 A EP02425351 A EP 02425351A EP 02425351 A EP02425351 A EP 02425351A EP 1262296 A3 EP1262296 A3 EP 1262296A3
Authority
EP
European Patent Office
Prior art keywords
filtration
pad
peripheral
replacing
press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02425351A
Other languages
German (de)
French (fr)
Other versions
EP1262296A2 (en
EP1262296B1 (en
Inventor
Alfredo Longinotti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebilon Gestione Brevetti & Immobili Longinotti
Original Assignee
Longinotti Meccanica SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Longinotti Meccanica SRL filed Critical Longinotti Meccanica SRL
Publication of EP1262296A2 publication Critical patent/EP1262296A2/en
Publication of EP1262296A3 publication Critical patent/EP1262296A3/en
Application granted granted Critical
Publication of EP1262296B1 publication Critical patent/EP1262296B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • B28B7/368—Absorbent linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • B28B7/366—Replaceable lining plates for press mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Filtering Materials (AREA)

Abstract

In an end board (32) that can be attached to and detached from the pad, the active surface (32A) for the molding action comprises multiple narrow grooves (42, 44) for extraction of the liquid phase, and a peripheral passageway (46); a filtration layer (40B) laid on said active surface (32A) - with optional interposition of a filter backing (40A) - has peripheral lips projecting over said peripheral passageway (46); and clamping bars (50) are forcibly inserted into said peripheral passageway (46) to trap the said peripheral lips (40C) of the filter (40B) in said channel, thereby tensioning it; which bars are expelled through holes (54).
EP02425351.0A 2001-06-01 2002-05-30 Filtration structure for the pad of a press for producing single-layer cement tiles with filtration surfaces and apparatus for replacing such filtration surfaces Expired - Lifetime EP1262296B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001FI000104A ITFI20010104A1 (en) 2001-06-01 2001-06-01 FILTERING STRUCTURE FOR THE PRESS BUFFER FOR THE PRODUCTION OF SINGLE-LAYER CONCRETE TILES WITH FILTERING SURFACES AND EQUIPMENT
ITFI20010104 2001-06-01

Publications (3)

Publication Number Publication Date
EP1262296A2 EP1262296A2 (en) 2002-12-04
EP1262296A3 true EP1262296A3 (en) 2004-01-28
EP1262296B1 EP1262296B1 (en) 2019-01-09

Family

ID=11442212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425351.0A Expired - Lifetime EP1262296B1 (en) 2001-06-01 2002-05-30 Filtration structure for the pad of a press for producing single-layer cement tiles with filtration surfaces and apparatus for replacing such filtration surfaces

Country Status (3)

Country Link
EP (1) EP1262296B1 (en)
ES (1) ES2719587T3 (en)
IT (1) ITFI20010104A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0512470D0 (en) * 2005-06-18 2005-07-27 Eco Filters Ltd Filter assembly
GB2504647A (en) * 2012-01-31 2014-02-12 Helvetic Filter Company Gmbh Removably Retaining a Filter on a Moulding Former or Insert
ITFI20130034A1 (en) * 2013-02-21 2014-08-22 Longinotti Group S R L APPARATUS FOR THE PRODUCTION OF SINGLE-LAYED TILES
ITUA20162714A1 (en) * 2016-04-19 2017-10-19 Longinotti Group S R L APPARATUS FOR THE PRODUCTION OF SINGLE-LAYED TILES

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139722A (en) * 1987-12-24 1992-08-18 P. G. Lawton (Industrial Svcs.) Limited Method of forming concrete structures
US5462665A (en) * 1993-05-01 1995-10-31 Green; Barrie E. Hydrophobic yarn filter fabric for a concrete press mould
EP1120213A2 (en) * 2000-01-27 2001-08-01 Eco Filters Limited A filter assembly for use in a press mould

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139722A (en) * 1987-12-24 1992-08-18 P. G. Lawton (Industrial Svcs.) Limited Method of forming concrete structures
US5462665A (en) * 1993-05-01 1995-10-31 Green; Barrie E. Hydrophobic yarn filter fabric for a concrete press mould
EP1120213A2 (en) * 2000-01-27 2001-08-01 Eco Filters Limited A filter assembly for use in a press mould

Also Published As

Publication number Publication date
ITFI20010104A1 (en) 2002-12-01
EP1262296A2 (en) 2002-12-04
ES2719587T3 (en) 2019-07-11
ITFI20010104A0 (en) 2001-06-01
EP1262296B1 (en) 2019-01-09

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